Home / 1,412,456.40-2,118,814.20-465,829.20

Finding the Fourth Proportional to 1,412,456.40, 2,118,814.20 and 465,829.20

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Solution

The fourth proportional to 1,412,456.40, 2,118,814.20 and 465,829.20 is: 698,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,456.40 : 2,118,814.20 = 465,829.20 : x
  2. Step 2: Convert to fraction form
    1,412,456.40/2,118,814.20 = 465,829.20/x
  3. Step 3: Cross multiply
    1,412,456.40x = 2,118,814.20 × 465,829.20
  4. Step 4: Simplify right side
    1,412,456.40x = 987,005,523,734.64
  5. Step 5: Solve for x
    x = 987,005,523,734.64/1,412,456.40
  6. Step 6: Final answer
    x = 698,786.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.